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Journal of Oral Implantology

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https://www.readbyqxmd.com/read/29351052/particulate-coral-hydroxyapatite-sheltered-by-titanium-mesh-for-localized-alveolar-rehabilitation-after-onlay-graft-failure-a-case-report
#1
Miao Zhou, Shuyi Li, Hendrik Terheyden, Shuaishuai Cao, Yuejuan Che, Yuanming Geng
Reconstruction of bone loss in the alveolar ridge has long been challenging. Autologous bone grafts are considered as the "golden standard", while little research has focused on how to repair pronounced alveolar bone defects after autologous bone graft failure. The aim of this study was to detail a method based on the titanium mesh technique coupled with particulate coral hydroxyapatite to solve the Onlay graft failure. With bone deficiency in the #11 and #24- #25 regions, we harvested two autologous bone blocks for reconstruction...
January 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29346020/sequential-ridge-augmentation-sra-protocol-for-hard-and-soft-tissue-grafting-in-alveolar-ridge-deficiencies-a-proposed-algorithm
#2
Neel Bhatavadekar, Amit Srikant Gharpure
The success of implant-based treatment is dependent on the correct restorative position of dental implants in the oral cavity. Often, the final prostheses require dental implants to be placed at sites with inadequate native hard and soft tissue. Bone augmentation procedures and materials have been extensively studied in the literature and various techniques have been developed over time to obtain adequate hard tissue at proposed implant sites. In the recent past, few publications have also studied soft tissue development at planned implant sites...
January 18, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29303418/prosthetically-cad-cam-guided-bone-augmentation-of-atrophic-jaws-using-customized-titanium-mesh-preliminary-results-of-an-open-prospective-study
#3
Leonardo Ciocca, Giuseppe Lizio, Paolo Baldissara, Alessandro Sambuco, Roberto Scotti, Giuseppe Corinadesi
This study evaluated the outcomes of CAD-CAM customized titanium mesh used for prosthetically guided bone augmentation related to the occlusion driven implant position; to the vertical bone volume gain of mandible and maxilla; and to complications, like mesh exposure.. Nine patients scheduled for bone augmentation of atrophic sites were treated with custom titanium mesh and particulate bone grafts with autologous bone and anorganic bovine bone in a 1:1 ratio prior to implant surgery. The bone volume needed to augment was virtually projected based on implants position, width and length, and the mesh design was programmed for the necessary retaining screws...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29303416/application-of-plasma-sprayed-zirconia-coating-in-dental-implant-study-in-implant
#4
Zhengfei Huang, Zhifeng Wang, Chuanhua Li, Kaifeng Yin, Dan Hao, Jing Lan
The aim was to investigate the osseointegration of a novel coating-plasma-sprayed nanostructured zirconia (NSZ) in dental implant. Nanostructured zirconia coating on non-thread titanium implant was prepared by plasma spraying, the implant surface morphology, surface roughness and wettability were measured. In vivo, nanostructured zirconia-coated implants were inserted in rabbit tibia and animals were respectively sacrificed at 2, 4, 8 and 12 weeks after implantation. The bond strength between implant and bone was measured by removal torque (RTQ) test...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29303415/re-establishment-of-biocompatibility-of-the-in-vitro-contaminated-titanium-surface-using-osteoconductive-powders-with-air-abrasive-treatment
#5
Ceylin Sedef Tastepe, Xingnan Lin, Marcel Donnet, Behrouz Zandieh Doulabi, Daniel Wismeijer, Yuelian Liu
To achieve re-osseointegration on implant surfaces exposed to peri-implant infections, treatment should re-establish biocompatibility. The aim of this study was to test whether air powder abrasive treatment (APA) using osteoconductive powders can, in addition to cleaning, increase the biocompatibility of the contaminated implant surface. 96 in-vitro Ca-precipitated, organic-film-layer-coated SLA titanium discs were treated by APA using Erythritol, Hydroxylapatite (HA) and Biocalcium Phosphate (BioCaP) powders (n=16 per group)...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29303412/assessment-of-dental-implants-stability-in-areas-previously-submitted-to-maxillary-sinus-elevation
#6
Karine Câmara Silva, Elton Gonçalves Zenóbio, Paulo Eduardo Alencar Souza, Rodrigo Villamarim Soares, Maurício Greco Cosso, Martinho Campolina Rebello Horta
This study aimed to compare the primary and secondary stability, measured by Resonance Frequency Analysis (RFA), in implants of different lengths installed in areas submitted to maxillary sinus lift. Correlation between RFA and implant insertion torque was also assessed. Twenty implants of 9 and 11 mm were inserted in areas submitted to maxillary sinus lift. The insertion torque was measured by the Bien Air® motor. Osstell®, through RFA, determined the ISQ (Implant Stability Quotient) at two times: the day of implant installation (T1) and 90 days after implant installation (T2)...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29303409/clinical-evaluation-of-a-new-synthetic-resorbable-dental-membrane-a-case-series-study
#7
Hélène Martin Thomé, David Bourdin, Nicolas Strube, Afchine Saffarzadeh, Jean-Francois Morlock, Guillaume Campard, Charles Evanno, Alain Hoornaert, Pierre Layrolle
For the regeneration of small osseous defects, dental membranes are commonly used in oral and maxillofacial surgery. A new synthetic resorbable membrane has recently demonstrated its biocompatibility and bone regeneration capacity in preclinical studies. This membrane is made of poly-D,L-lactic/glycolic acid 85/15 (PLGA), has a bi-layered structure with a dense film to prevent gingival epithelial cell invasion and a micro-fibrous layer to support osteogenic cells and bone healing. This membrane completely degrades by hydrolysis in 4 to 6 months without signs of inflammation...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29235930/response-to-the-letter-to-the-editor-current-evidence-on-the-socket-shield-technique-a-systematic-review
#8
Amit S Gharpure, Neel B Bhatavadekar
We have done our best to provide a scientifically accurate picture of the current evidence on the socket-shield technique in our systematic review paper. The text of the original paper in our opinion is clear and self-explanatory and presents an unbiased assessment of this technique. We have satisfactorily addressed all the points raised by our colleagues and have supported our responses with adequate citations. We strongly feel that the evidence supporting this technique is extremely weak at the moment. As researchers of the healthcare profession, we require concrete evidence on proposed clinical techniques before they can be routinely used for patients...
December 13, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29182489/peri-implantitis-a-comprehensive-overview-of-systematic-reviews
#9
Miriam Ting, James Craig, Burton E Balkin, Jon B Suzuki
The objective of this systematic review was to perform a comprehensive overview of systematic reviews and meta-analyses pertaining to peri-implantitis in humans, including the prevalence and incidence, the diagnostic findings, the microbial findings, the effects of systemic diseases, and the treatment of peri-implantitis. Electronic databases were searched for systematic reviews and meta-analyses of peri-implantitis. In view of the limitations of the included systematic reviews, the outcome of this overview suggested that: 1) the occurrence of peri-implantitis was higher in patients with periodontitis, in patients who smoke, and after 5 years of implant function; 2) the microbial profile of peri-implantitis was different from periodontitis; 3) the risk for peri-implantitis was higher in patients with uncontrolled diabetes and cardiovascular disease; 4) there was no strong evidence to suggest the most effective treatment intervention for peri-implantitis, although most peri-implantitis treatments can produce successful outcomes; and 5) post-implant maintenance may be crucial in patients with a high risk of peri-implantitis...
November 28, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29182488/the-influence-of-prosthesis-design-on-the-outcomes-of-tooth-implants-immediately-placed-and-loaded-by-means-of-one-piece-titanium-restoration
#10
Paolo Toti, Simone Marconcini, Enrica Giammarinaro, Giorgio Pedretti, Antonio Barone, Ugo Covani
Our purpose was to evaluate the occurrence of complications, and the degree of bone loss in a cohort of patients treated with fixed prostheses supported by immediately loaded dental implants. The primary aim was to compare partial versus full-arch Fixed Dental Prostheses. We then tested the effect of sinus lifting. In the present retrospective cohort study, the patients had their implants restored with Fixed Dental Prostheses supported by dental implants positioned in the posterior maxilla and mandible. When necessary, the maxillary sinuses were grafted with particulate autogenous bone...
November 28, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135387/effect-on-bone-architecture-of-marginal-grooves-in-dental-implants-under-occlusal-loaded-conditions-in-beagle-dogs
#11
Hatsumi Kato, Shinichiro Kuroshima, Nao Inaba, Yusuke Uto, Takashi Sawase
The aim was to clarify whether marginal grooves on dental implants affect osseointegration, bone structure and the alignment of collagen fibers determining bone quality under loaded condition. Anodized Ti-6Al-4V alloy dental implants with and without marginal grooves were used (3.7 × 8.0 mm; test and control implants, respectively). Fourth premolars and first molars of six beagle mandibles were extracted. Two control and test implants were placed in randomly selected healed sites at 12 weeks after tooth extraction...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135381/experimental-analysis-of-temperature-differences-during-implant-site-preparation-continuous-drilling-technique-versus-intermittent-drilling-technique
#12
Adolfo Di Fiore, Stefano Sivolella, Elena Stocco, Vittorio Favero, Edoardo Stellini
The implant site preparation through drilling procedures may cause bone thermonecrosis. The aim of this in vitro study was to evaluate, using a thermal probe, the overheating at implant sites during osteotomies through two different drilling methods (continuous drilling technique versus intermittent drilling technique) using irrigation at different temperatures. Five implant sites of 13mm in length were performed on sixteen blocks (fresh bovine ribs), for a total amount of 80 implant sites. The thermal probe PT-100 was positioned at 5 mm from each site...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135351/human-studies-of-vertical-and-horizontal-alveolar-ridge-augmentation-comparing-different-types-of-bone-graft-materials-a-systematic-review
#13
Suraj Chavda, Liran Levin
Alveolar ridge augmentation can be completed with various types of bone augmentation materials (autogenous, allograft, xenograft & alloplast). Currently autogenous bone is labelled as the "gold standard" due to faster healing times and integration between native and foreign bone. No systematic review has currently determined whether there is a difference of implant success between various bone augmentation materials. The purpose of this paper was to systematically review comparative human studies of vertical and horizontal alveolar ridge augmentation comparing different types of bone graft materials (autogenous, allograft, xenograft & alloplast)...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135335/retrospective-study-of-tapered-1-piece-implants-placed-over-a-10-year-period-in-a-single-private-practice
#14
John Minichetti, Joseph C D'Amore, Anna Yj Hong
Today clinicians have a variety of treatment modalities available to address the increasing number of implant procedures performed each year. Single-stage implant surgery is now commonly used in implant dentistry. With patient demands for immediate restoration, the utilization of 1-piece implants is gaining acceptance. This article reports the results of tapered 1-piece implants (Zimmer Biomet) placed in a single practice over a 10-year period. A total of 33 1-piece dental implants were placed in 24 patients and provisionally restored out of occlusion at the time of surgery...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135328/when-the-solution-becomes-a-problem-an-educational-discussion
#15
Gustavo Frainer Barbosa
Presenting patients with the opportunity to restore their smiles using dental implants, which is a reliable and widely accepted technique, is highly recommended. Therefore, a correct clinical judgment and a, consequently, dental implant treatment planning is a central component of a good practice of implant dentistry. Moreover, to the oral clinician be able to make better decisions and reach a more accurate clinical judgment, it is necessary continuing professional development being, this development, an essential professional activity for dentists that intend planning implant treatments...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29116888/incidence-of-maxillary-sinus-disease-before-sinus-floor-elevation-surgery-as-identified-by-cone-beam-computed-tomography-a-literature-review
#16
Fabio Costa, Enzo Emanuelli, Massimo Robiony
PURPOSE: to review the literature in order to assess the incidence of maxillary sinus disease before sinus floor elevation surgery (SFE) surgery as identified by cone beam computed tomography (CBCT). Only studies in which patients had performed CBCT for dental implant placement in the last ten years were considered. RESULTS: Eleven studies were identified. A total of 1792 patients were collected. All the studies reviewed reported on thickening of the sinus mucosa as a criterion for sinus disease with different threshold values...
November 8, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29091020/do-clinical-and-radiological-assessments-contribute-to-the-understanding-of-biomaterials-results-from-a-prospective-randomized-sinus-augmentation-split-mouth-trial
#17
Jonas Lorenz, Tadas Korzinskas, Poju Chia, Sarah Al Maawi, Katrin Eichler, Robert Sader, Shahram Ghanaati
The present prospective randomized split-mouth trial reports on the 3-year clinical and radiological follow-up investigation of implants placed 7 months after sinus augmentation with two different bone substitute materials. Aim of the study was to complete the histologic observation of the cellular reactions by analysis of the implants and the volumetric changes of the augmented bone substitute materials. A sinus augmentation split-mouth trial was performed in 14 patients with the synthetic bone substitute material Nanobone® (NB) and the xenogeneic Bio-Oss® (BO)...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29091015/patient-reported-and-clinical-outcomes-of-implant-supported-fixed-complete-dental-prostheses-a-comparison-of-metal-acrylic-milled-zirconia-and-retrievable-crown-prostheses
#18
Virginia Lea Hogsett Box, Cortino Sukotjo, Kent L Knoernschild, Stephen D Campbell, Fatemeh S Afshari
The purpose of this retrospective study was to assess the incidence of biologic and technical complications for implant-supported fixed complete dental prostheses (IFCDPs) and their relationship to oral health-related quality of life (OHQoL) and patient-reported outcomes. Metal-acrylic (MA), retrievable crown (RC), monolithic zirconia (MZ), and porcelain veneered zirconia (PVZ) prostheses were included. Patients who received an IFCDP at least one year prior to recall were identified. Exclusion criteria were: (1) an opposing complete denture and (2) time in service >70 months...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090984/a-qualitative-study-on-patient-s-perceptions-of-two-types-of-attachments-for-implant-overdentures
#19
Rubens Ferreira de Albuquerque Junior, Marina Pisani, Christophe Bedos, Cláudia Helena Lovato da Silva, Olivier Fromentin
The aim of this qualitative study was to gain a deeper understanding of patient's perceptions of wearing implant retained overdentures with ball-shaped or cylindrical attachment systems. Twenty-two wearers of implant-supported overdentures participated in this qualitative study based on a randomized crossover clinical trial that aimed to compare a cylindrical attachment (Locator, Zest Anchors Inc, Escondido, CA, USA) and a ball attachment (Retentive Anchor, Straumann AG, Basel, Switzerland). In the phase I of the study, group A experienced ball attachments (n=11) and group B Locator attachment (n=11) for one year...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090979/optimization-of-the-conical-angle-design-in-conical-implant-abutment-connections-a-pilot-study-based-on-the-finite-element-method
#20
Kuang-Ta Yao, Chen-Sheng Chen, Cheng-Kung Cheng, Hsu-Wei Fang, Chang-Hung Huang, Hung-Chan Kao, Ming-Lun Hsu
Conical implant-abutment connections are popular for their excellent connection stability, which is attributable to frictional resistance in the connection. However, conical angles, the inherent design parameter of conical connections, exert opposing effects on 2 influencing factors of the connection stability: frictional resistance and abutment rigidity. This pilot study employed an optimization approach through the finite element method to obtain an optimal conical angle for the highest connection stability in an Ankylos-based conical connection system...
November 1, 2017: Journal of Oral Implantology
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